Optical Sensor Tracking and 3D-Reconstruction of Hydrogen-Induced Cracking

This paper presents an approach, which combines a stereo-camera unit and ultrasonic sensors to reconstruct hydrogen-induced crack (HIC) three-dimensional locations. The sensor probes are tracked in the images and their 3D position is triangulated. The combination with the ultrasonic measurement lead...

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Bibliographic Details
Published inAdvanced Concepts for Intelligent Vision Systems pp. 521 - 529
Main Authors Freye, Christian, Bendicks, Christian, Lilienblum, Erik, Al-Hamadi, Ayoub
Format Book Chapter
LanguageEnglish
Published Cham Springer International Publishing 2015
SeriesLecture Notes in Computer Science
Subjects
3D-Reconstruction
Material inspection
Sensor-tracking
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Summary:This paper presents an approach, which combines a stereo-camera unit and ultrasonic sensors to reconstruct hydrogen-induced crack (HIC) three-dimensional locations. The sensor probes are tracked in the images and their 3D position is triangulated. The combination with the ultrasonic measurement leads to a determination of the crack position in the material. To detect varying crack characteristics, different probes have to be used. Their measurements are combined in a common coordinate system. To evaluate the method, a milled reference block was examined and the results are compared to the ground-truth of the block model.
ISBN:9783319259024
3319259024
ISSN:0302-9743
1611-3349
DOI:10.1007/978-3-319-25903-1_45